CN207822543U - A kind of MVR evaporator plates change on-line cleaning device - Google Patents
A kind of MVR evaporator plates change on-line cleaning device Download PDFInfo
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- CN207822543U CN207822543U CN201721859783.4U CN201721859783U CN207822543U CN 207822543 U CN207822543 U CN 207822543U CN 201721859783 U CN201721859783 U CN 201721859783U CN 207822543 U CN207822543 U CN 207822543U
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Abstract
The utility model discloses a kind of MVR evaporator plates and changes on-line cleaning device, it include inlet tube group, the cold-hot plate of cold and hot exchange can be carried out and change group by being connected in inlet tube group one end, the cold-hot plate changes a group side and is connected with delivery pipe group, delivery pipe group one end is connected with vent condenser, the hot well for accommodating stoste is equipped in vent condenser side, hot well side is communicated with vaporizer body, the vaporizer body and cold-hot plate are equipped with distillation water pot between changing group, and changing group side in the cold-hot plate is equipped with the cleaning device that can be cleaned cold-hot plate and change group.The purpose of this utility model is to provide a kind of non-stop-machine in the process to the cleaning of MVR evaporator plate swap-in rows; by the way of a preparation and a use; when a platen changes fouling; it is exchanged heat using another; fouling plate is changed in the meantime and is cleaned in time; two platens, which change, to be used alternatingly, and ensures entire vapo(u)rization system long-time steady operation.
Description
Technical field
The utility model is related to a kind of MVR evaporator plates to change on-line cleaning device.
Background technology
In landfill leachate MVR vapo(u)rization systems, stoste can reduce the content of calcium and magnesium in stoste after pretreatment, still
Still it has a small amount of metal ion and can enter plate with stoste and change and entered in main body with condenser, be since plate changes gap not
Very big, the growth of feed liquor time at any time, plate, which changes inside, can adhere to many metal ions, and then it was originally smaller to cause plate to change gap,
Meeting slowly does not catch up with the amount of evaporation, and disengaging is uneven, and vaporizing body inside liquid level will finally be caused to reduce and force shutdown, this
The efficiency of equipment will be largely effected on, traditional stop cleaning can delay long time, and reheat and can waste many energy
Amount, puts to no little inconvenience to work.
Utility model content
The purpose of this utility model is to overcome shortcoming in the prior art, a kind of MVR evaporator plates are provided and are changed
On-line cleaning device.
In order to achieve the above object, the utility model uses following scheme：
A kind of MVR evaporator plates change on-line cleaning device, including inlet tube group, and being connected in inlet tube group one end can carry out
The cold-hot plate of cold and hot exchange changes group, and the cold-hot plate changes a group side and is connected with delivery pipe group, and delivery pipe group one end is connected with
Vent condenser is equipped with the hot well for accommodating stoste in vent condenser side, and heat is equipped between the vent condenser and hot well
Well casing is connected, and the hot well pipe is equipped with hot well valve, and the hot well side is communicated with vaporizer body, in vaporizer body
Equipped with spray group, it is connected by spray tube between the hot well and spray group, the spray tube is equipped with circulating pump, is evaporating
The set of heat exchange tubes that spray group sprays stoste can be heated by being equipped in device main body, and the vaporizer body and cold-hot plate are equipped between changing group
Water pot is distilled, the distilled water water inlet pipe being connected with set of heat exchange tubes, the distillation water pot water outlet are equipped in distillation water pot water inlet end
End is equipped with distillation outlet pipe and is connected between changing group with cold-hot plate, be in charge of equipped with distilled water on the distillation outlet pipe, described
Distilled water is in charge of one end and is connected with vaporizer body, is in charge of equipped with distillation water valve in the distilled water, it is characterised in that：Institute
It states to be additionally provided on hot well and changes the concentration liquid pipe group that group is connected with cold-hot plate, the cold-hot plate changes group side and is equipped with dope discharge pipe
Group changes on group side in cold-hot plate and is additionally provided with clear water discharge pipe, and the clear water discharge pipe is equipped with drain valve, in the cold-hot plate
It changes group side and changes the cleaning device organized equipped with cold-hot plate can be cleaned, the cleaning device bottom is equipped with the first cleaning liquid pipe and feed liquor
Pipe group is connected, and the first cleaning liquid pipe is in charge of equipped with the first cleaning solution to be connected with concentration liquid pipe group, the cleaning dress
Top set portion is equipped with the second cleaning liquid pipe and is connected with dope discharge pipe group, is in charge of equipped with the second cleaning solution in the second cleaning liquid pipe
It is connected with vent condenser.
A kind of MVR evaporator plates as described above change on-line cleaning device, it is characterised in that：The inlet tube group include into
Liquid is responsible for, and is equipped with the first liquid feeding sub-tube on feed liquor supervisor, the second liquid feeding sub-tube is equipped on the first liquid feeding sub-tube, described the
One liquid feeding sub-tube is equipped with the first liquid flowing valve, and the second liquid flowing valve is equipped on the second liquid feeding sub-tube.
A kind of MVR evaporator plates as described above change on-line cleaning device, it is characterised in that：The delivery pipe group includes master
Delivery pipe, is equipped with the first delivery pipe and the second delivery pipe on main feedline, and second delivery pipe is equipped with conveying valve.
A kind of MVR evaporator plates as described above change on-line cleaning device, it is characterised in that：The concentration liquid pipe group includes
Main concentration liquid pipe is equipped with the first concentration liquid pipe in main concentration liquid pipe, and described main concentration liquid pipe one end is equipped with concentrate pump, described
Concentrate pump side is equipped with the second concentration liquid pipe being connected with hot well bottom, and the first concentration is equipped in the main concentration liquid pipe
Liquid pipe valve, the first concentration liquid pipe are equipped with the second concentrate pipe valve.
A kind of MVR evaporator plates as described above change on-line cleaning device, it is characterised in that：The dope discharge pipe group packet
Main dope discharge pipe is included, the main dope discharge pipe is equipped with dope discharge and is in charge of, is in charge of in dope discharge and is equipped with concentrate
Pipe valve is discharged, the main dope discharge pipe is equipped with main discharge valve.
A kind of MVR evaporator plates as described above change on-line cleaning device, it is characterised in that：The cold-hot plate changes group
First plate changes, and changes side in the first plate and is changed successively equipped with the second plate and is changed with third plate, the first hot-fluid water inlet that first plate changes
Mouth is connected with feed liquor supervisor, and the first hot-fluid water outlet that first plate changes is connected with main feedline, and first plate changes
The first cold flow water outlet be connected with clear water discharge pipe, the first cold flow water inlet that first plate changes and distillation outlet pipe phase
Connection, the second hot-fluid water inlet that second plate changes are connected with the first liquid feeding sub-tube, the second cold flow that second plate changes
Water outlet is connected with main dope discharge pipe, and the second cold flow water inlet that second plate changes is connected with main concentration liquid pipe, institute
It states the second hot-fluid water outlet that the second plate changes with the first delivery pipe to be connected, the third plate is changed intakes equipped with third hot-fluid
Third hot-fluid water inlet and the second feed liquor described in mouth, third hot-fluid water outlet, third cold flow water inlet and third cold flow water outlet
It is in charge of water outlet to be connected, the third hot-fluid water outlet is connected with the second delivery pipe water inlet end, the third cold flow water inlet
Mouth is connected with the first concentration liquid pipe water outlet, and the third cold flow water outlet is in charge of water inlet end with dope discharge and is connected.
A kind of MVR evaporator plates as described above change on-line cleaning device, it is characterised in that：The cleaning device includes setting
The cleaning solution temporary storage tank between the first cleaning liquid pipe and the second cleaning liquid pipe is set, the first cleaning liquid pipe is equipped with cleaning pump
With the first purge valve, the cleaning pump is counted equipped with online PH, and first cleaning solution is in charge of to be connected with main concentration liquid pipe, institute
State the first cleaning solution be in charge of equipped with first cleaning branch pipe with first concentrate liquid pipe be connected, first cleaning solution, which is in charge of, to be set
There are the second purge valve, the first cleaning branch pipe to be equipped with third purge valve, the second cleaning liquid pipe and main dope discharge pipe
It is connected, the second cleaning liquid pipe is equipped with the second cleaning branch pipe be in charge of with dope discharge and be connected, second cleaning
Liquid pipe is equipped with the 4th purge valve, and the second cleaning branch pipe is equipped with the 5th purge valve, and second cleaning solution, which is in charge of, to be set
There is the 6th purge valve, the liquid level gauge that can measure tank body cleaning liquid inside height of liquid level is equipped in the cleaning solution temporary storage tank.
A kind of MVR evaporator plates as described above change on-line cleaning device, it is characterised in that：On the distillation outlet pipe
Equipped with distilled water pump, the water-level gauge that can measure distilled water water level in tank is equipped on the distillation water pot.
In conclusion advantage is the utility model compared with the existing technology：
The utility model ensures that MVR evaporators clean plate swap-in row during non-stop-machine, by vapo(u)rization system
Middle increase cleaning device and pipeline make cleaning liquid enter plate and change dissolution of scale to anti-using the circuit system of evaporator itself
Only plate is changed because metal ion blocks the gap problem that causes evaporation capacity inadequate, the utility model by the way of a preparation and a use,
It when one platen changes fouling, is exchanged heat using another, fouling plate is changed clean in time in the meantime, two platens change alternating
It uses, ensures entire vapo(u)rization system long-time steady operation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial enlarged view of the utility model.
Specific implementation mode
Explanation and specific implementation mode are further described the utility model below in conjunction with the accompanying drawings：
A kind of MVR evaporator plates as shown in Fig. 1 to 2 change on-line cleaning device, including inlet tube group 1, in inlet tube group 1
One end be connected with can carry out cold and hot exchange cold-hot plate change group 2, the cold-hot plate change group 2 sides be connected with delivery pipe group 3, it is described
3 one end of delivery pipe group is connected with vent condenser 4, and the hot well 5 for accommodating stoste, the exhaust are equipped in 4 side of vent condenser
It is connected equipped with hot well pipe 51 between condenser 4 and hot well 5, the hot well pipe 51 is equipped with hot well valve 511, the hot well 5 one
Side is communicated with vaporizer body 6, and spray group 61 is equipped in vaporizer body 6, passes through spray between the hot well 5 and spray group 61
Shower pipe 62 is connected, and the spray tube 62 is equipped with circulating pump 621, and spray group 61 can be heated by, which being equipped in vaporizer body 6, sprays
Go out the set of heat exchange tubes 7 of stoste, the vaporizer body 6 and cold-hot plate are equipped with distillation water pot 8 between changing group 2, distillation water pot 8 into
Water end (W.E.) is equipped with the distilled water water inlet pipe 71 that is connected with set of heat exchange tubes 7,8 water outlet of distillation water pot changed with cold-hot plate organize 2 it
Between be equipped with distillation outlet pipe 81 be connected, be in charge of 82 equipped with distilled water on the distillation outlet pipe 81, the distilled water is in charge of
82 one end are connected with vaporizer body 6, are in charge of on 82 in the distilled water and are equipped with distillation water valve 821, are also set on the hot well 5
Having and changes the concentration liquid pipe group 52 that group 2 is connected with cold-hot plate, the cold-hot plate changes 2 sides of group and is equipped with dope discharge pipe group 21,
Cold-hot plate, which changes on 2 sides of group, is additionally provided with clear water discharge pipe 22, and the clear water discharge pipe 22 is equipped with drain valve 221, described cold
Hot plate change group 2 sides be equipped with can clean cold-hot plate change group 2 cleaning device 9,9 bottom of the cleaning device be equipped with the first cleaning solution
Pipe 91 is connected with inlet tube group 1, and the first cleaning liquid pipe 91 is in charge of 911 and concentration liquid pipe group 52 equipped with the first cleaning solution
It is connected, 9 top of the cleaning device is equipped with the second cleaning liquid pipe 92 and is connected with dope discharge pipe group 21, in the second cleaning solution
Pipe 92 is in charge of 921 equipped with the second cleaning solution and is connected with vent condenser 4, installs cleaning device 9 additional on traditional evaporation circuit
Achieve the purpose that cleaning cold-hot plate changes group 2 using normal feed liquor outlet pipeline.
Inlet tube group 1 described in the utility model includes that feed liquor is responsible for 11, and the first feed liquor is equipped on feed liquor supervisor 11
Be in charge of 12, on the first liquid feeding sub-tube 12 be equipped with the second liquid feeding sub-tube 13, on first liquid feeding sub-tube 12 be equipped with first into
Fluid valve 121, is equipped with the second liquid flowing valve 131 on the second liquid feeding sub-tube 13, and inlet tube group 1 and the first liquid feeding sub-tube 12 are one
Divide two designs.
Delivery pipe group 3 described in the utility model includes main feedline 31, and the first conveying is equipped on main feedline 31
Pipe 32 and the second delivery pipe 33, second delivery pipe 33 are equipped with conveying valve 331, and delivery pipe group 3 is connected in parallel
First delivery pipe 32, the second delivery pipe 33 and main feedline 31.
Concentration liquid pipe group 52 described in the utility model includes main concentration liquid pipe 521, is equipped in main concentration liquid pipe 521
First concentration liquid pipe 522, described main 521 one end of concentration liquid pipe are equipped with concentrate pump 523, and 523 side of the concentrate pump is equipped with
The second concentration liquid pipe 524 being connected with 5 bottom of hot well, is equipped with the first concentrate pipe valve in the main concentration liquid pipe 521
533, the first concentration liquid pipe 522 is equipped with the second concentrate pipe valve 525, and feed liquor is passed through the second concentration by concentrate pump 523
Liquid pipe 524 is transported in hot well 5.
Dope discharge pipe group 21 described in the utility model includes main dope discharge pipe 211, the main dope discharge pipe
211, which are equipped with dope discharge, is in charge of 212, is in charge of on 212 in dope discharge and is equipped with concentrate discharge pipe valve 213, the main dope
Discharge pipe 211 be equipped with main discharge valve 214, dope discharge be in charge of 212 and main dope discharge pipe 211 will be entered back into through pervaporation it is cold
Hot plate changes the dope discharge after 2 heat exchange of group.
Cold-hot plate described in the utility model changes group 2 and changes 23 including the first plate, and change 23 sides in the first plate is equipped with successively
Second plate change 24 and third plate change 25, first plate changes 23 the first hot-fluid water inlet 231 and feed liquor supervisor 11 is connected, institute
It states the first plate and changes 23 the first hot-fluid water outlet 232 and be connected with main feedline 31, the first cold flow that first plate changes 23 goes out
The mouth of a river 233 is connected with clear water discharge pipe 22, and first plate changes 23 the first cold flow water inlet 234 and distillation 81 phase of outlet pipe
Connection, the second hot-fluid water inlet 241 that second plate changes 24 are connected with the first liquid feeding sub-tube 12, and second plate changes 24
Second cold flow water outlet 242 is connected with main dope discharge pipe 211, second plate change 24 the second cold flow water inlet 243 with
Main concentration liquid pipe 521 is connected, and the second hot-fluid water outlet 244 that second plate changes 24 is connected with the first delivery pipe 32, institute
It states third plate and changes 25 equipped with third hot-fluid water inlet 251, third hot-fluid water outlet 252, third cold flow water inlet 253 and third
Cold flow water outlet 254, the third hot-fluid water inlet 251 are connected with 13 water outlet of the second liquid feeding sub-tube, the third hot-fluid
Water outlet 252 is connected with 33 water inlet end of the second delivery pipe, and the third cold flow water inlet 253 goes out with the first concentration liquid pipe 522
Water end (W.E.) is connected, and the third cold flow water outlet 254 is in charge of 212 water inlet ends with dope discharge and is connected, and cold-hot plate changes group 2 and uses
The mode of a preparation and a use is exchanged heat when a platen changes fouling using another, changes timely progress to fouling plate in the meantime
Cleaning, two platens, which change, to be used alternatingly, and ensures entire vapo(u)rization system long-time steady operation.
Cleaning device 9 described in the utility model include setting the first cleaning liquid pipe 91 and second clean liquid pipe 92 it
Between cleaning solution temporary storage tank 93, it is described first cleaning liquid pipe 91 be equipped with cleaning pump 912 and the first purge valve 913, the cleaning
Pump 912 is equipped with online PH and counts 10, and first cleaning solution is in charge of 911 and is connected with main concentration liquid pipe 521, first cleaning
Liquid is in charge of 911 and is connected with the first concentration liquid pipe 522 equipped with the first cleaning branch pipe 914, and first cleaning solution is in charge of on 911
Equipped with the second purge valve 915, it is described first cleaning branch pipe 914 be equipped with third purge valve 916, it is described second cleaning liquid pipe 92 with
Main dope discharge pipe 211 is connected, the second cleaning liquid pipe 92 be equipped with dope discharge be in charge of 212 be connected it is second clear
Branch pipe 922 is washed, the second cleaning liquid pipe 92 is equipped with the 4th purge valve 923, and the second cleaning branch pipe 922 is equipped with the 5th
Purge valve 924, second cleaning solution are in charge of 921 and are equipped with the 6th purge valve 925, and energy is equipped in the cleaning solution temporary storage tank 93
The liquid level gauge 11 of tank body cleaning liquid inside height of liquid level is measured, cleaning solution temporary storage tank 93 is used for holding the liquid of cleaning, cleaning solution
Liquid level gauge 11 in temporary storage tank 93 can grasp the number of liquid at any time.
Distillation outlet pipe 81 described in the utility model is equipped with distilled water pump 811, is equipped on the distillation water pot 8
The water-level gauge 12 of distilled water water level in tank can be measured, how much water-level gauge 12 can not only observe the distilled water in distillation water pot 8
Distilled water pump 811 can be protected to prevent from dallying simultaneously.
The utility model principle:
When MVR vaporizing bodies work normally, find when ensureing identical flow, the rotating speed of feed liquor motor is increasingly
Height, or changed in the pressure gauge after 2 plates of group change by cold-hot plate and show that pressure ratio cold-hot plate changes the pressure value before 2 plates of group change greatly very
It is more, cold-hot plate is turned out in this way and changes the plugging slowly of group 2, and system is led due to final feed liquor does not catch up with water outlet in order to prevent
Cause system stops, and needs to change the online not stop cleaning of 2 progress of group to cold-hot plate, on-line cleaning method is described below, exists introducing
Cleaning solution temporary storage tank 93 and distillation water pot 8 are first introduced before line cleaning method, cleaning solution temporary storage tank 93 is cold exclusively for cleaning
Hot plate changes the drug holding vessel of 2 design of group, and capacity is one, 316L materials, because fouling type is different, cleaning solution temporary storage tank
Acid adding adds alkali to be likely in 93, there is the liquid level gauge 11 of cleaning solution height of liquid level in tank, conveniently knows the number of liquid in tank, clearly
Wash pump 912 and use big flow water pumps, such cleaning up cleaned by drug and the impact force of flow it is cleaner, in cleaning pump
Online PH meters 10 are installed in 912 exit, count the variation of value and value that 10 get by online PH to judge the soda acid of cleaning solution
Property.When pickling, has cleaning performance when cleaning solution pH value is less than 3.6；When alkali cleaning, the pH value of cleaning solution has clear when being more than 10
Wash effect.The water that system is evaporated in distillation water pot 8 is not directly over distilled water pump 811 instead of and takes away, first passes through pipeline
It flows automatically in distillation water pot 8, then taken away by distilled water pump 811, distilled water pump 811 can meet the moisturizing of vaporizing body 6 and answer
Anxious moisturizing, distillation water pot 8 have water-level gauge 12 control, it can be determined that distillation water pot 8 in real time water level and to distilled water pump 811 into
Row protection.
Cleaning step：Before cleaning, it needs to open distillation water valve 821, closes drain valve 221, keep the not outer row of water outlet direct
It returns in vaporizing body 6.Continue to add at stoste to high liquid level, ensures have enough water that can evaporate in vaporizing body 6.It closes dense
Contracting liquid pump (523), temporarily ceasing the discharge of concentrate will not be reduced come the water ensured in vaporizing body 6.This process is automatic
Control clicks control button pickling cold-hot plate and changes group 2.Automatically the sulfamic acid solution prepared is added in cleaning solution temporary storage tank 93 extremely
At 93 high liquid level of cleaning solution temporary storage tank.Program can automatically open the first liquid flowing valve 121 and the second liquid flowing valve 131 and first is clear
Wash valve 913.It is then shut off hot well valve 511 and opens the 6th purge valve 925, so that cleaning solution is not entered straight in vaporizing body 6
It takes back in cleaning solution temporary storage tank 93.Cleaning pump 912 is automatically opened after one second to be cleaned.According to online PH meter 10 pH value come
Judge cleaning performance.It is more than 3.6 in PH or cleans after ten minutes, automatically opens concentrate discharge pipe valve 213 and close the 5th clearly
Valve 924 is washed by emptying rate of liquid in cleaning solution temporary storage tank 93.Cleaning pump 912 and the 6th purge valve are automatically closed when draining into low liquid level
925.Cold-hot plate can carry out feed liquor water outlet after changing 2 cleaning of group by normal operation step, be cleaned in time after fouling, the moment protects
Card complete equipment is in optimum state.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, this
The technical staff of industry is retouched in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
That states only illustrates the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model
It will also have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.This practicality is new
Type is claimed range and is defined by the appending claims and its equivalent thereof.
Claims (8)
1. a kind of MVR evaporator plates change on-line cleaning device, including inlet tube group (1), energy is connected in inlet tube group (1) one end
The cold-hot plate for carrying out cold and hot exchange changes group (2), and the cold-hot plate changes group (2) side and is connected with delivery pipe group (3), the delivery pipe
Group (3) one end is connected with vent condenser (4), and the hot well (5) for accommodating stoste, the row are equipped in vent condenser (4) side
It is connected equipped with hot well pipe (51) between gas condenser (4) and hot well (5), the hot well pipe (51) is equipped with hot well valve (511),
Hot well (5) side is communicated with vaporizer body (6), and spray group (61), the hot well are equipped in vaporizer body (6)
(5) it is connected by spray tube (62) between spray group (61), the spray tube (62) is equipped with circulating pump (621), is steaming
The set of heat exchange tubes (7) that spray group (61) sprays stoste can be heated by being equipped in hair device main body (6), the vaporizer body (6) with it is cold
Hot plate is equipped with distillation water pot (8) between changing group (2), and the steaming being connected with set of heat exchange tubes (7) is equipped in distillation water pot (8) water inlet end
Distilled water water inlet pipe (71), the distillation water pot (8) water outlet are equipped with distillation outlet pipe (81) between changing group (2) with cold-hot plate and are connected
It is logical, it is in charge of (82) equipped with distilled water on the distillation outlet pipe (81), the distilled water is in charge of (82) one end and evaporator master
Body (6) is connected, and is in charge of on (82) in the distilled water and is equipped with distillation water valve (821), it is characterised in that：On the hot well (5)
It is additionally provided with and changes the concentration liquid pipe group (52) that group (2) is connected with cold-hot plate, the cold-hot plate changes group (2) side and is discharged equipped with dope
Pipe group (21) changes on group (2) side in cold-hot plate and is additionally provided with clear water discharge pipe (22), and the clear water discharge pipe (22) is equipped with row
Water valve (221) changes group (2) side in the cold-hot plate and is equipped with the cleaning device (9) that can be cleaned cold-hot plate and change group (2), described clear
Cleaning device (9) bottom is equipped with the first cleaning liquid pipe (91) and is connected with inlet tube group (1), is set in the first cleaning liquid pipe (91)
There is the first cleaning solution to be in charge of (911) with concentration liquid pipe group (52) to be connected, the second cleaning solution is equipped at the top of the cleaning device (9)
Pipe (92) is connected with dope discharge pipe group (21), in the second cleaning liquid pipe (92) equipped with the second cleaning solution be in charge of (921) and
Vent condenser (4) is connected.
2. a kind of MVR evaporator plates according to claim 1 change on-line cleaning device, it is characterised in that：The inlet tube
Group (1) includes feed liquor supervisor (11), the first liquid feeding sub-tube (12) is equipped on feed liquor supervisor (11), in the first liquid feeding sub-tube (12)
Be equipped with the second liquid feeding sub-tube (13), on first liquid feeding sub-tube (12) be equipped with the first liquid flowing valve (121), second into
Liquid is in charge of (13) and is equipped with the second liquid flowing valve (131).
3. a kind of MVR evaporator plates according to claim 2 change on-line cleaning device, it is characterised in that：The delivery pipe
Group (3) includes main feedline (31), and the first delivery pipe (32) and the second delivery pipe (33) are equipped on main feedline (31), described
Second delivery pipe (33) is equipped with conveying valve (331).
4. a kind of MVR evaporator plates according to claim 3 change on-line cleaning device, it is characterised in that：The concentrate
Pipe group (52) includes main concentration liquid pipe (521), and the first concentration liquid pipe (522) is equipped on main concentration liquid pipe (521), and the master is dense
Contracting liquid pipe (521) one end is equipped with concentrate pump (523), and concentrate pump (523) side is equipped with to be connected with hot well (5) bottom
The second concentration liquid pipe (524), equipped with the first concentrate pipe valve (533) on the main concentration liquid pipe (521), described first is dense
Contracting liquid pipe (522) is equipped with the second concentrate pipe valve (525).
5. a kind of MVR evaporator plates according to claim 4 change on-line cleaning device, it is characterised in that：The dope row
Outlet pipe group (21) includes main dope discharge pipe (211), and the main dope discharge pipe (211) is equipped with dope discharge and is in charge of (212),
It is in charge of on (212) in dope discharge and is equipped with concentrate discharge pipe valve (213), the main dope discharge pipe (211) is equipped with main row
Go out valve (214).
6. a kind of MVR evaporator plates according to claim 5 change on-line cleaning device, it is characterised in that：The cold-hot plate
It changes group (2) and changes (23) including the first plate, change that (24) are changed in (23) side equipped with the second plate successively and third plate changes (25) in the first plate,
The first hot-fluid water inlet (231) that first plate changes (23) is connected with feed liquor supervisor (11), and first plate changes (23)
First hot-fluid water outlet (232) is connected with main feedline (31), and first plate changes the first cold flow water outlet (233) of (23)
It is connected with clear water discharge pipe (22), first plate changes the first cold flow water inlet (234) and distillation outlet pipe (81) of (23)
It is connected, the second hot-fluid water inlet (241) that second plate changes (24) is connected with the first liquid feeding sub-tube (12), and described second
The second cold flow water outlet (242) that plate changes (24) is connected with main dope discharge pipe (211), and second plate changes the second of (24)
Cold flow water inlet (243) is connected with main concentration liquid pipe (521), and second plate changes the second hot-fluid water outlet (244) of (24)
It is connected with the first delivery pipe (32), the third plate changes (25) and is discharged equipped with third hot-fluid water inlet (251), third hot-fluid
Mouthful (252), third cold flow water inlet (253) and third cold flow water outlet (254), the third hot-fluid water inlet (251) and the
Two liquid feeding sub-tubes (13) water outlet is connected, and the third hot-fluid water outlet (252) is connected with the second delivery pipe (33) water inlet end
Logical, the third cold flow water inlet (253) is connected with first concentration liquid pipe (522) water outlet, the third cold flow water outlet
(254) it is in charge of (212) water inlet end with dope discharge to be connected.
7. a kind of MVR evaporator plates according to claim 6 change on-line cleaning device, it is characterised in that：The cleaning dress
It includes cleaning solution temporary storage tank (93) of the setting between the first cleaning liquid pipe (91) and the second cleaning liquid pipe (92) to set (9), described
First cleaning liquid pipe (91) is equipped with cleaning pump (912) and the first purge valve (913), and the cleaning pump (912) is equipped with online
PH counts (10), and first cleaning solution is in charge of (911) and is connected with main concentration liquid pipe (521), and first cleaning solution is in charge of
(911) it is equipped with the first cleaning branch pipe (914) with the first concentration liquid pipe (522) to be connected, first cleaning solution is in charge of (911)
It is equipped with the second purge valve (915), the first cleaning branch pipe (914) is equipped with third purge valve (916), second cleaning
Liquid pipe (92) is connected with main dope discharge pipe (211), and the second cleaning liquid pipe (92) is equipped with to be in charge of with dope discharge
(212) the second cleaning branch pipe (922) being connected, the second cleaning liquid pipe (92) is equipped with the 4th purge valve (923), described
Second cleaning branch pipe (922) is equipped with the 5th purge valve (924), and second cleaning solution is in charge of (921) equipped with the 6th cleaning
Valve (925), the cleaning solution temporary storage tank (93) is interior to be equipped with the liquid level gauge (11) that can measure tank body cleaning liquid inside height of liquid level.
8. a kind of MVR evaporator plates according to claim 7 change on-line cleaning device, it is characterised in that：In the distillation
Outlet pipe (81) is equipped with distilled water pump (811), and the water that can measure distilled water water level in tank is equipped on the distillation water pot (8)
Position meter (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721859783.4U CN207822543U (en) | 2017-12-26 | 2017-12-26 | A kind of MVR evaporator plates change on-line cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721859783.4U CN207822543U (en) | 2017-12-26 | 2017-12-26 | A kind of MVR evaporator plates change on-line cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207822543U true CN207822543U (en) | 2018-09-07 |
Family
ID=63389909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721859783.4U Active CN207822543U (en) | 2017-12-26 | 2017-12-26 | A kind of MVR evaporator plates change on-line cleaning device |
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| Country | Link |
|---|---|
| CN (1) | CN207822543U (en) |
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2017
- 2017-12-26 CN CN201721859783.4U patent/CN207822543U/en active Active
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